CN104580901A - Shooting parameter determining method and terminal - Google Patents
Shooting parameter determining method and terminal Download PDFInfo
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- CN104580901A CN104580901A CN201410831698.1A CN201410831698A CN104580901A CN 104580901 A CN104580901 A CN 104580901A CN 201410831698 A CN201410831698 A CN 201410831698A CN 104580901 A CN104580901 A CN 104580901A
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Abstract
The invention provides a shooting parameter determining method and a terminal. The method comprises the following steps: a selection instruction for a first shot object in a first view finding scene of a user is received; a first shooting parameter corresponding to the first framing scene is acquired according to the selection instruction; whether the first shot object exists in a second framing scene is detected, and a second shooting parameter corresponding to the second framing scene is acquired according to the first shooting parameter if the first shot object exists in the second framing scene. According to the shooting parameter determining method and the terminal, the time for determining the second shooting parameter can be shortened, so that the shooting is more convenient.
Description
Technical field
The present invention relates to technical field of imaging, particularly relate to a kind of method and the terminal of determining acquisition parameters.
Background technology
In order to make the shooting effect of subject better, need to determine various acquisition parameters in shooting process.Such as, in the process of taking pictures, focalize distance values and corresponding aperture-coefficient value etc. is determined.The determination of acquisition parameters is determined by many factors such as angle coverage, viewfinder range and light of finding a view.
The method of traditional determination acquisition parameters, after having determined acquisition parameters, does not take subject and moves taking lens, if when again taking same subject, needs accent to start to determine acquisition parameters, causes shooting convenient not.
Summary of the invention
Based on this, be necessary for above-mentioned technical problem, a kind of method and the terminal that can determine the determination acquisition parameters of acquisition parameters are fast provided.
Determine a method for acquisition parameters, described method comprises:
Receive user and instruction is chosen to the first first subject of finding a view in scene;
Obtain described first to find a view the first acquisition parameters corresponding to scene according to choosing instruction;
Detect second and find a view in scene whether there is the first subject;
When be detected as exist time, determine that second finds a view the second acquisition parameters corresponding to scene according to the first acquisition parameters.
Wherein in an embodiment, detect second find a view and whether there is the step of the first subject in scene before, method also comprises:
Obtain the first fisrt feature parameter of finding a view the first subject in scene;
Then detect the second step that whether there is the first subject in scene of finding a view specifically to comprise:
Obtain the second second feature parameter of finding a view the second subject in scene;
Judge whether second feature parameter and fisrt feature parameter match, if so,
Then judge that the second shot object is the first subject.
Wherein in an embodiment, obtain the first step of fisrt feature parameter of finding a view the first subject in scene and specifically comprise:
First subject is focused, obtains the fisrt feature parameter to the first defocused subject;
Wherein, fisrt feature parameter comprise the contours profiles value of the first subject, light emission luminance value, color-values, translational speed value, motion track value wherein at least any one.
Wherein in an embodiment, determine that the described second step of finding a view the second acquisition parameters corresponding to scene specifically comprises according to the first acquisition parameters:
First acquisition parameters directly to be found a view the second acquisition parameters corresponding to scene as second; Or,
Regulate based on the first acquisition parameters, the first acquisition parameters after regulating to be found a view the second acquisition parameters corresponding to scene as second.
Wherein in an embodiment, regulate based on the first acquisition parameters, the first acquisition parameters after regulating specifically comprised as the step that second finds a view the second acquisition parameters corresponding to scene:
The part acquisition parameters maintained in the first acquisition parameters is constant, and finding a view in scene second regulates remaining acquisition parameters;
Constant acquisition parameters and the acquisition parameters after regulating are merged, as the second acquisition parameters;
Wherein, acquisition parameters to comprise in shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter at least any two kinds.
A kind of terminal, comprising:
Choosing command reception module, for receiving user instruction being chosen to the first first subject of finding a view in scene;
Parameter acquisition module, for obtaining first to find a view the first acquisition parameters corresponding to scene according to choosing instruction;
Detection module, finds a view in scene whether there is the first subject for detecting second;
Parameter determination module, for when be detected as exist time, determine that second finds a view the second acquisition parameters corresponding to scene according to the first acquisition parameters.
Wherein in an embodiment, terminal also comprises:
Fisrt feature parameter acquisition module, for obtaining the first fisrt feature parameter of finding a view the first subject in scene;
Detection module comprises:
Second feature parameter acquisition module, for obtaining the second second feature parameter of finding a view the second subject in scene;
Judge module, for judging whether second feature parameter and fisrt feature parameter match, if so, then judges that the second shot object is the first subject.
Wherein in an embodiment, fisrt feature parameter acquisition module also for focusing to described first subject, obtains the fisrt feature parameter to the first defocused subject; Wherein, fisrt feature parameter comprise the contours profiles value of the first subject, light emission luminance value, color-values, translational speed value, motion track value wherein at least any one.
Wherein in an embodiment, parameter determination module comprises: the first parameter acquisition module, for directly being found a view the second acquisition parameters corresponding to scene as second by the first acquisition parameters; Or,
Second parameter acquisition module, for regulating based on the first acquisition parameters, to find a view the first acquisition parameters after regulating the second acquisition parameters corresponding to scene as second.
Wherein in an embodiment, described second parameter acquisition module comprises:
Parameter adjustment module, constant for the part acquisition parameters maintained in described first acquisition parameters, find a view in scene second and regulate remaining acquisition parameters;
Parameter merges module, for merging, constant acquisition parameters and the acquisition parameters after regulating as the second acquisition parameters; Wherein, acquisition parameters to comprise in shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter at least any two kinds.
Above-mentioned method and the terminal determining acquisition parameters, the first acquisition parameters can found a view in scene according to first determines the second second acquisition parameters of finding a view in scene, when detecting that second finds a view in scene and there is the first first subject of finding a view in scene, the second acquisition parameters can be determined in the basis of the first acquisition parameters, accent is not needed to start to regulate the second acquisition parameters, therefore, determine that the time of the second acquisition parameters will be shortened, make shooting more convenient.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet determining the method for acquisition parameters in an embodiment;
Fig. 2 is the schematic flow sheet of the method determining acquisition parameters in another embodiment;
Fig. 3 is the structural representation determining the terminal of acquisition parameters in an embodiment;
Fig. 4 is the structural representation of the terminal determining acquisition parameters in another embodiment;
Fig. 5 is the structural representation of the second parameter acquisition module in an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, in one embodiment, provide a kind of method determining acquisition parameters, the method can be applicable in all kinds of camera and video camera, also can be applied to various have in the terminal of shoot function be illustrated, these terminals include but not limited to be with the portable computer, personal digital assistant, panel computer, smart mobile phone etc. of camera.The method comprises:
Step 102, receives user and chooses instruction to the first first subject of finding a view in scene.
Scene of finding a view refer to before shooting taking lens collect the image of photographed scene, scene of finding a view is determined by many kinds of parameters such as the angle of finding a view and the light fields of finding a view, the intensity that such as available light irradiates, color and direction etc.First subject refers to the first subject of finding a view in scene, can manually choose the first subject, also can automatically choose the first subject in the photographed screen showing scene of finding a view.Such as, when screening-mode is chosen to be personage's screening-mode, be chosen for the first subject by the personage in the automatic just view-finder of recognition of face.Further, by choosing the first subject, corresponding for triggering is chosen instruction.
Step 104, obtains first to find a view the first acquisition parameters corresponding to scene according to choosing instruction.
First acquisition parameters comprises: focal length parameter, brightness processed parameter, contrast process parameter and saturation process parameter, exposure compensating parameter and photosensitivity parameter etc.Find a view under scene first and according to choosing instruction, the first acquisition parameters is regulated, and obtain the first acquisition parameters after regulating, concrete, can be capture apparatus to find a view scene automatic acquisition according to first the first acquisition parameters, obtains after may also be manual adjustments.
Step 106, detects second and finds a view in scene whether there is the first subject.
Step 108, when be detected as exist time, determine that second finds a view the second acquisition parameters corresponding to scene according to the first acquisition parameters.
Second find a view scene refer to first find a view scene change after scene of finding a view, concrete, changing can be change angle coverage, viewfinder range etc. at the first taking lens under scene of finding a view, also can be that the first subject moves position etc., can also be user first find a view regulate acquisition parameters under scene after immediately do not take, and natural environment there occurs change (natural daylight light, air visibility etc.) in the process of postponing shooting, at this moment again the first subject is taken etc.Judge whether the second find a view subject in scene and the first subject is same, if so, then can determine that second finds a view the second acquisition parameters corresponding to scene according to the first acquisition parameters.
In the present embodiment, because the second acquisition parameters is determined according to the first acquisition parameters, can directly using the second acquisition parameters that the first acquisition parameters is found a view under scene as second, such as user just changes the angle coverage of taking lens, if still there is the first subject under detecting the scene of finding a view after changing angle coverage, then direct using the first acquisition parameters as the second acquisition parameters, the namely direct parameter using the first acquisition parameters as final shooting imaging, do not need to do adjusting focal length again, again light-metering, the adjustment work that adjustment ISO parameter etc. is loaded down with trivial details, in general, can think that find a view for twice difference of scene is little in the second find a view situation of still there is the first subject under scene, can directly take according to the first acquisition parameters.In addition, also can regulate based on the first acquisition parameters, the first acquisition parameters after regulating be found a view the second acquisition parameters corresponding to scene as second, and does not need accent to start to regulate the second acquisition parameters.Such as, user is when autodyning, face is chosen as the first subject under the first angle coverage, namely be that benchmark determines the first acquisition parameters with face, then user thinks that angle coverage needs adjustment, then the adjustment of angle coverage has only been done, distance and other environmental factor of taking lens distance face do not change or change less, so only need based on the first acquisition parameters under the second angle coverage, only regulate U.S. face parameter wherein, again face is repaired, and keep remaining acquisition parameters constant, therefore, determine that the time of the second acquisition parameters will be shortened photographing program more quick, make shooting more convenient simultaneously.It should be noted that, regulate based on the first acquisition parameters, how to judge which parameter in the first acquisition parameters needs to regulate under the second photographed scene, the gyroscope that can possess according to terminal self, speed sensor, acceleration induction device, gravity sensor, light sensor, infrared inductor, distance-sensor etc. detect in real time; Such as find that the distance values of the taking lens distance subject of finding a view under scene detected by distance-sensor second changes through detecting, and remaining inductor does not detect change, then can on the basis of the first acquisition parameters, only regulate focal length parameter wherein and not need to regulate remaining acquisition parameters, so both can obtain high-quality pictures taken, make again photographing program be simplified, take more quick.
In one embodiment, determine that the method for acquisition parameters also comprises: obtain the first fisrt feature parameter of finding a view the first subject in scene.In the present embodiment, fisrt feature parameter refers to the parameter of expression first subject body characteristics.
Concrete, step 106, detect second to find a view and whether there is the first subject in scene and comprise: obtain the second second feature parameter of finding a view the second subject in scene, judge whether second feature parameter and fisrt feature parameter match, if so, then judge that the second shot object is the first subject.Otherwise show that second finds a view in scene and there is not the first subject.
In the present embodiment, if second feature parameter and fisrt feature parameter are coincide, namely the difference of fisrt feature parameter and second feature parameter is in a rational preset range, then represent that second finds a view under scene and there is the first subject, further, determine that second finds a view the second acquisition parameters corresponding to scene according to the first acquisition parameters.Otherwise second finds a view under scene does not exist the first subject, needs to restart adjustment second acquisition parameters.
Further, in one embodiment, obtain the first step of fisrt feature parameter of finding a view the first subject in scene, comprising: the first subject is focused, obtain the fisrt feature parameter to the first defocused subject.In the present embodiment, by determining that the focal length between the first subject and taking lens completes focusing, thus making the first subject imaging more clear, further, making the fisrt feature parameter of the first subject obtained more accurate.In one embodiment, fisrt feature parameter includes but not limited to following at least one characteristic parameter: contours profiles value, light emission luminance value, color-values, translational speed value, motion track value.Wherein color-values comprises tone, saturation and lightness.
In one embodiment, receive the step of choosing instruction of user to the first first subject of finding a view in scene specifically to comprise: detect the touch signal that user finds a view in scene to first, receive user according to this touch signal and instruction is chosen to the first subject; Or gather the voice messaging that user sends, identify voice messaging, what receive the first subject of correspondence according to the voice messaging after identification chooses instruction.
In one embodiment, as shown in Figure 2, provide a kind of method determining acquisition parameters, the method comprises:
Step 202, receives user and chooses instruction to the first first subject of finding a view in scene.
Concrete, the touch signal that user finds a view in scene to first can be detected, receive user according to touch signal and instruction is chosen to the first subject.
Touch signal refers to the signal touch-screen by scene of finding a view in display first being chosen the touch event generation that the first subject occurs.Concrete, the first subject that user can be found a view in scene touch-screen by finger or felt pen click display first produces touch signal, can determine the first subject according to touch signal, further, what produce the first subject chooses instruction.
In addition, also can gather the voice messaging that user sends, identify voice messaging, what receive the first subject of correspondence according to the voice messaging after identification chooses instruction.Concrete, can set up the corresponding relation that voice messaging and the first subject choose instruction in advance, identify voice messaging after gathering voice messaging, when the voice messaging identified exists in corresponding relation, then what obtain correspondence chooses instruction.
Step 204, obtains first to find a view the first acquisition parameters corresponding to scene according to choosing instruction.
Step 205, obtains the first fisrt feature parameter of finding a view the first subject in scene.
Characteristic parameter refers to the parameter representing subject body characteristics in scene of finding a view.Concrete, characteristic parameter include but not limited to following at least any one: the contours profiles parameter of subject, shading value parameter and color difference parameter, and take subject as the focus parameter of benchmark, light field parameter, depth of field parameter and sharpness value parameter, and the parameter such as position relation and distance value of subject between the position in scene of finding a view, multiple subject.Be appreciated that fisrt feature parameter refers to the parameter of the expression first subject body characteristics in the first photographed scene.
In one embodiment, first can focus to the first subject, obtain the fisrt feature parameter to the first defocused subject.
By determining that the focal length between the first subject and taking lens completes focusing, make the image of the first subject more clear, the fisrt feature parameter of the first subject thus obtained is more accurate.
Step 206, obtains the second second feature parameter of finding a view the second subject in scene.
Step 208, judges whether second feature parameter and fisrt feature parameter match, and if so, then enter step 210, otherwise terminates.
Concrete, find a view under scene second and second subject is focused, obtain the second feature parameter to the second defocused subject.Further, if second feature parameter and fisrt feature parameter match (that is, the second subject is the first subject).Enter step 210
According to the first acquisition parameters, step 210, determines that second finds a view the second acquisition parameters corresponding to scene.
Concrete, store the first acquisition parameters got, when detect second find a view there is the first subject in scene time, preferably, the first acquisition parameters directly to be found a view the second acquisition parameters corresponding to scene as second.
In the present embodiment, when fisrt feature parameter is identical with second feature parameter, can be understood as the first subject that scene and second finds a view under scene of finding a view identical.If the second scene and first scene of finding a view of finding a view is also identical, further, directly the first acquisition parameters can be defined as second and find a view the second acquisition parameters corresponding to scene, not need again to obtain the second acquisition parameters.Greatly save the time determining the second acquisition parameters.
In another embodiment, regulate based on the first acquisition parameters, the first acquisition parameters after regulating to be found a view the second acquisition parameters corresponding to scene as second.
In the present embodiment, when the second subject that scene and first finds a view under scene of finding a view is identical, but there is difference in the second scene and first scene of finding a view of finding a view, further, the part acquisition parameters maintained in the first acquisition parameters is constant, and finding a view in scene second regulates remaining acquisition parameters; Constant acquisition parameters and the acquisition parameters after regulating are merged, as the second acquisition parameters; Wherein, acquisition parameters includes but not limited to following at least any two kinds: shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter etc.
Such as, if second finds a view that to compare the first scene of finding a view be that shooting distance there occurs change to scene, rest parameter refers to the focal length parameter revised on the basis of the first acquisition parameters.If the first scene and second of finding a view is found a view in identical just the first acquisition parameters of scene and do not regulated exposure time parameter, rest parameter refers to find a view under scene second and regulates exposure time parameter.
In the present embodiment, when photographed scene changes, the second acquisition parameters can be determined according to the first acquisition parameters, not need accent to regulate the second acquisition parameters, improve the efficiency determining the second acquisition parameters, make shooting more convenient.In addition, obtain to the first subject choose instruction time, receive by various ways and choose instruction, improve convenience.Further, due to the fisrt feature parameter got be to the first subject to defocused fisrt feature parameter, make obtain fisrt feature parameter more accurate, also therefore improve the accuracy determining the second acquisition parameters.
As shown in Figure 3, in one embodiment, additionally provide a kind of terminal determining acquisition parameters, this comprises:
Choosing command reception module 30, for receiving user instruction being chosen to the first first subject of finding a view in scene.
In one embodiment, choosing command reception module 30 also for detecting the touch signal that user finds a view in scene to first, receiving user according to this touch signal and instruction is chosen to the first subject.
In another embodiment, choosing command reception module 30 also for gathering the voice messaging that user sends, identifying voice messaging, what receive the first subject of correspondence according to the voice messaging after identification chooses instruction.
Parameter acquisition module 32, for obtaining first to find a view the first acquisition parameters corresponding to scene according to choosing instruction.
Detection module 34, finds a view in scene whether there is the first subject for detecting second.
According to the first acquisition parameters, parameter determination module 36, for when the testing result of detection module is for existing, determines that second finds a view the second acquisition parameters corresponding to scene.
As shown in Figure 4, in another embodiment, what provide a kind ofly determines that the terminal of acquisition parameters comprises:
Choosing command reception module 30, for receiving user instruction being chosen to the first first subject of finding a view in scene.
Parameter acquisition module 32, for obtaining first to find a view the first acquisition parameters corresponding to scene according to choosing instruction.
Fisrt feature parameter acquisition module 33, for obtaining the first fisrt feature parameter of finding a view the first subject in scene.
In one embodiment, fisrt feature parameter acquisition module 33, also for focusing to the first subject, obtains the fisrt feature parameter to the first defocused subject.In the present embodiment, fisrt feature parameter include but not limited to following at least any one: the contours profiles value of the first subject, light emission luminance value, color-values, translational speed value, motion track value.Wherein, color-values comprises: tone, saturation and lightness.
Detection module 34 comprises: second feature parameter acquisition module 340, for obtaining the second second feature parameter of finding a view the second subject in scene.
Judge module 342, for judging whether second feature parameter and fisrt feature parameter match, if so, then judges that the second shot object is the first subject.
In one embodiment, parameter determination module 36 comprises: the first parameter acquisition module 360, for directly being found a view the second acquisition parameters corresponding to scene as second by the first acquisition parameters.Or,
Second parameter acquisition module 362, for regulating based on the first acquisition parameters, to find a view the first acquisition parameters after regulating the second acquisition parameters corresponding to scene as second.
As shown in Figure 5, in one embodiment, the second parameter acquisition module 362 comprises:
Parameter adjustment module 3620, constant for the part acquisition parameters maintained in the first acquisition parameters, find a view in scene second and regulate remaining acquisition parameters.
Parameter merges module 3622, for merging, constant acquisition parameters and the acquisition parameters after regulating as the second acquisition parameters.In the present embodiment, acquisition parameters includes but not limited to following at least any two kinds: shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter.
Above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. determine a method for acquisition parameters, described method comprises:
Receive user and instruction is chosen to the first first subject of finding a view in scene;
Choose instruction and obtain described first according to described and to find a view the first acquisition parameters corresponding to scene;
Detect second and find a view in scene whether there is described first subject;
When be detected as exist time, determine that described second finds a view the second acquisition parameters corresponding to scene according to described first acquisition parameters.
2. method according to claim 1, is characterized in that, before described detection second is found a view and whether be there is the step of described first subject in scene, described method also comprises:
Obtain the described first fisrt feature parameter of finding a view described first subject in scene;
Then described detection second step that whether there is described first subject in scene of finding a view specifically comprises:
Obtain the described second second feature parameter of finding a view the second subject in scene;
Judge whether described second feature parameter and described fisrt feature parameter match, if so,
Then judge that described second shot object is described first subject.
3. method according to claim 2, is characterized in that, the find a view step of fisrt feature parameter of described first subject in scene of described acquisition first specifically comprises:
Described first subject is focused, obtains the fisrt feature parameter to defocused described first subject;
Wherein, described fisrt feature parameter comprise the contours profiles value of described first subject, light emission luminance value, color-values, translational speed value, motion track value wherein at least any one.
4. the method according to any one of claims 1 to 3, is characterized in that, describedly determines that the described second step of finding a view the second acquisition parameters corresponding to scene specifically comprises according to the first acquisition parameters:
Described first acquisition parameters directly to be found a view the second acquisition parameters corresponding to scene as described second; Or,
Regulate based on described first acquisition parameters, the first acquisition parameters after regulating to be found a view the second acquisition parameters corresponding to scene as described second.
5. method according to claim 4, is characterized in that, describedly regulates based on described first acquisition parameters, is specifically comprised by the first acquisition parameters after regulating as the step that described second finds a view the second acquisition parameters corresponding to scene:
The part acquisition parameters maintained in described first acquisition parameters is constant, and finding a view in scene described second regulates remaining acquisition parameters;
Described constant acquisition parameters and the acquisition parameters after regulating are merged, as the second acquisition parameters;
Wherein, described acquisition parameters to comprise in shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter at least any two kinds.
6. a terminal, is characterized in that, described terminal comprises:
Choosing command reception module, for receiving user instruction being chosen to the first first subject of finding a view in scene;
Parameter acquisition module, obtains described first to find a view the first acquisition parameters corresponding to scene for choosing instruction described in basis;
Detection module, finds a view in scene whether there is described first subject for detecting second;
Parameter determination module, for when be detected as exist time, determine that described second finds a view the second acquisition parameters corresponding to scene according to described first acquisition parameters.
7. terminal according to claim 6, is characterized in that, described terminal also comprises:
Fisrt feature parameter acquisition module, for obtaining the described first fisrt feature parameter of finding a view described first subject in scene;
Described detection module comprises:
Second feature parameter acquisition module, for obtaining the described second second feature parameter of finding a view the second subject in scene;
Judge module, for judging whether described second feature parameter and described fisrt feature parameter match, if so, then judges that described second shot object is described first subject.
8. terminal according to claim 7, is characterized in that, described fisrt feature parameter acquisition module, also for focusing to described first subject, obtains the fisrt feature parameter to defocused described first subject; Wherein, described fisrt feature parameter comprise the contours profiles value of described first subject, light emission luminance value, color-values, translational speed value, motion track value wherein at least any one.
9. the terminal according to any one of claim 6 to 8, is characterized in that, described parameter determination module comprises: the first parameter acquisition module, for directly being found a view the second acquisition parameters corresponding to scene as described second by described first acquisition parameters; Or,
Second parameter acquisition module, for regulating based on described first acquisition parameters, to find a view the first acquisition parameters after regulating the second acquisition parameters corresponding to scene as described second.
10. terminal according to claim 9, is characterized in that, described second parameter acquisition module comprises:
Parameter adjustment module, constant for the part acquisition parameters maintained in described first acquisition parameters, find a view in scene described second and regulate remaining acquisition parameters;
Parameter merges module, for merging, described constant acquisition parameters and the acquisition parameters after regulating as the second acquisition parameters; Wherein, described acquisition parameters to comprise in shutter parameter, aperture parameters, exposure parameter, focal length parameter, depth of field parameter, white balance parameter, ISO parameter, U.S. face parameter at least any two kinds.
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